Home / 125,913.02-173,770.53-69,335.06

Finding the Fourth Proportional to 125,913.02, 173,770.53 and 69,335.06

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Solution

The fourth proportional to 125,913.02, 173,770.53 and 69,335.06 is: 95,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,913.02 : 173,770.53 = 69,335.06 : x
  2. Step 2: Convert to fraction form
    125,913.02/173,770.53 = 69,335.06/x
  3. Step 3: Cross multiply
    125,913.02x = 173,770.53 × 69,335.06
  4. Step 4: Simplify right side
    125,913.02x = 12,048,390,123.78
  5. Step 5: Solve for x
    x = 12,048,390,123.78/125,913.02
  6. Step 6: Final answer
    x = 95,688.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.